If you were to walk into a restaurant and order a cup of coffee, you’d expect to get a standard cup of the stuff, and you’d expect to get a sufficient quantity of it too. How much coffee for a certain price is too much, and how much is too little? More realistically, when you […]Read more "Confidence Intervals and t-tests in R"
When we see data visualized in a graph such as a histogram, we tend to draw some conclusions from it. When data is spread out, or concentrated, or observed to change with other data, we often take that to mean relationships between data sets. Statisticians, though, have to be more rigorous in the way they establish their […]Read more "Normality Tests in R"